There are multiple definitions:
porin protein A(English)
- a surface-expressed protein antigen, expressing sequence variability that can affect their function as protective immunogens when used in meningococcal serogroup B vaccines
- FHbp, MenB, NOMV-1, NOMV-2, OMV
- Immunology, Variability / oscillation
- https://doi.org…ine.2014.02.068
pyruvate-ferredoxin oxidoreductase(English)
- refers to the regulation of the physiology of a metronidazole-resistant strain
- LB
- Microbiology, Chemotherapy
- https://doi.org…1093/jac/dkh256